$329+ Cheap flights from Buffalo to Rapid City (BUF - RAP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — RAP
Oct 3 — Oct 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Buffalo to Rapid City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to Rapid City
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to Rapid CityExplore the most affordable flight options available from Buffalo to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2026.
Explore the most affordable flight options available from Buffalo to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2026.
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:00 am -
1 stop7h 39m
Tue 12/81:09 pm -
1 stop7h 44m
Deal found 9/2![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:54 pm -
2 stops8h 36m
Mon 11/911:28 am -
2 stops9h 25m
Deal found 8/31![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:04 am -
1 stop7h 35m
Fri 11/131:09 pm -
1 stop7h 44m
Deal found 8/30![American Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:30 am -
1 stop6h 01m
Mon 11/95:00 am -
2 stops10h 02m
Deal found 8/31![United Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 am -
1 stop5h 15m
Sat 10/31:37 pm -
1 stop5h 10m
Deal found 9/1![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:53 pm -
2 stops9h 15m
Wed 12/95:30 am -
2 stops10h 31m
Deal found 9/2![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:47 pm -
1 stop6h 36m
Sat 10/36:30 am -
2 stops13h 40m
Deal found 9/1![American Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:14 am -
1 stop7h 25m
Mon 11/91:09 pm -
1 stop7h 44m
Deal found 8/31![American Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:50 am -
1 stop5h 58m
Fri 11/1310:30 am -
2 stops10h 29m
Deal found 8/30![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
1 stop5h 15m
Tue 10/207:05 am -
2 stops14h 06m
Deal found 9/3![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:45 am -
1 stop5h 41m
Wed 10/2812:39 pm -
1 stop7h 54m
Deal found 8/30![United Airlines logo]()
$499
Best flights from Buffalo to Rapid CityDiscover carefully curated flight deals from Buffalo to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
Discover carefully curated flight deals from Buffalo to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:10 pm -
2 stops10h 20m
Tue 10/202:37 pm -
2 stops7h 22m
Deal found 9/3![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 am -
1 stop5h 15m
Sat 10/31:37 pm -
1 stop5h 10m
Deal found 9/1![United Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:56 pm -
2 stops10h 27m
Sat 10/36:30 am -
2 stops13h 40m
Deal found 9/1![American Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:53 pm -
2 stops9h 15m
Wed 12/95:30 am -
2 stops10h 31m
Deal found 9/2![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:50 am -
1 stop5h 58m
Fri 11/1310:30 am -
2 stops10h 29m
Deal found 8/30![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
1 stop5h 15m
Tue 10/207:05 am -
2 stops14h 06m
Deal found 9/3![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:45 am -
1 stop5h 41m
Wed 10/2812:39 pm -
1 stop7h 54m
Deal found 8/31![United Airlines logo]()
$499
Last-minute flights from Buffalo to Rapid CityDiscover last-minute flight deals from Buffalo to Rapid City. Data last updated September 3, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Rapid City. Data last updated September 3, 2026 and is based on user searches.
This deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am -
1 stop5h 25m
Tue 9/291:37 pm -
1 stop5h 10m
Deal found 8/30![United Airlines logo]()
$613
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 am -
1 stop5h 15m
Sat 10/31:37 pm -
1 stop5h 10m
Deal found 9/1![United Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:47 pm -
1 stop6h 36m
Sat 10/36:30 am -
2 stops13h 40m
Deal found 9/1![American Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
1 stop5h 15m
Tue 10/207:05 am -
2 stops14h 06m
Deal found 9/3![United Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
1 stop7h 21m
Tue 10/2012:51 pm -
1 stop8h 03m
Deal found 9/3![American Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am -
1 stop5h 15m
Tue 10/207:05 am -
2 stops14h 06m
Deal found 9/2![United Airlines logo]()
$548
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am -
2 stops11h 25m
Tue 10/2012:51 pm -
2 stops9h 08m
Deal found 9/2![American Airlines logo]()
$560
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:45 am -
1 stop5h 41m
Wed 10/2812:39 pm -
1 stop7h 54m
Deal found 8/30![United Airlines logo]()
$499
One-way flights from Buffalo to Rapid CitySearch for one-way flight options from Buffalo to Rapid City. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
Search for one-way flight options from Buffalo to Rapid City. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:10 pm -
2 stops10h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am -
1 stop5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![United Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:55 am -
1 stop7h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
3 stops29h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![United Airlines logo]()
$593
Find flight deals from Buffalo to Rapid City
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Rapid City (RAP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (American Airlines) |
One-way from | $329 (United Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $544 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Rapid City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 3, 2026.
Use the filters below to find and compare flights from Buffalo to Rapid City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloRapid City
BUF Buffalo - RAP Rapid City
BUFRAP
Buffalo
Wed 9/23
7:00 am-10:25 am
1 stop5h 25m
Rapid City
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$329
Quickest round-trip
BuffaloRapid City
BUF Buffalo - RAP Rapid City
BUFRAP
Buffalo
Tue 9/22
7:25 pm-10:18 pm
1 stop4h 53m
Rapid City
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$329
BuffaloRapid City
BUF Buffalo - RAP Rapid City
BUFRAP
Buffalo
Sat 9/12
7:00 am-10:25 am
1 stop5h 25m
Rapid City
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$376
BuffaloRapid City
BUF Buffalo - RAP Rapid City
BUFRAP
Buffalo
Tue 9/22
10:53 am-8:38 pm
2 stops11h 45m
Rapid City
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$381
BuffaloRapid City
BUF Buffalo - RAP Rapid City
BUFRAP
Buffalo
Fri 9/11
10:30 am-8:38 pm
2 stops12h 08m
Rapid City
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$433
BuffaloRapid City
BUF Buffalo - RAP Rapid City
BUFRAP
Buffalo
Wed 10/14
2:10 pm-10:30 pm
2 stops10h 20m
Rapid City
Tue 10/20
2:37 pm-11:59 pm
2 stops7h 22m
$438
BuffaloRapid City
BUF Buffalo - RAP Rapid City
BUFRAP
Buffalo
Sat 9/26
7:00 am-10:15 am
1 stop5h 15m
Rapid City
Sat 10/3
1:37 pm-8:47 pm
1 stop5h 10m
$438
BuffaloRapid City
BUF Buffalo - RAP Rapid City
BUFRAP
Buffalo
Sat 12/5
1:53 pm-9:08 pm
2 stops9h 15m
Rapid City
Wed 12/9
5:30 am-6:01 pm
2 stops10h 31m
$439
BuffaloRapid City
BUF Buffalo - RAP Rapid City
BUFRAP
Buffalo
Sat 11/7
8:50 am-12:48 pm
1 stop5h 58m
Rapid City
Fri 11/13
10:30 am-10:59 pm
2 stops10h 29m
$454
BuffaloRapid City
BUF Buffalo - RAP Rapid City
BUFRAP
Buffalo
Wed 10/14
7:00 am-10:15 am
1 stop5h 15m
Rapid City
Tue 10/20
7:05 am-11:11 pm
2 stops14h 06m
$469
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Buffalo to Rapid City
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Rapid City in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Buffalo-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Rapid City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-Rapid City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Buffalo to Rapid City
Have a flexible travel schedule? Discover the best time to fly to Rapid City from Buffalo with our price prediction graph.
BUF-RAP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Rapid City
Get insights into the airlines that provide service to Rapid City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rapid City. Reviews last updated September 3, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Buffalo to Rapid City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.7
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.7
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Rapid City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Rapid City?
Book flights to Rapid City if you plan to visit one of these locationsDeadwood
Keystone
Spearfish
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Buffalo
Popular flights
Rapid City flight routes
Alternative routes for Buffalo to Rapid City
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Rapid City by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Rapid City by cabin class
Find flights from Buffalo to Rapid City, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Rapid City flights
Browse other Buffalo and Rapid City flight options. Last updated on September 3, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on September 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Rapid City
Explore flights to Rapid City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 3, 2026.
Top 2 airlines flying from Buffalo to Rapid City
Discover the top 2 airlines that operate flights from Buffalo to Rapid City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$659 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$349 | Average$447 | FlexibilityNo cancel fee | On-time69% |